    html,
    body,
    #app {
        margin: 0;
        padding: 0;
        width: 100%;
        height: 100%;
    }
    
    #app {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }
    
    #app::before {
        content: "";
        position: absolute;
        width: 100%;
        height: 100%;
        background: url(https://gzh-1253246719.cos.ap-chengdu.myqcloud.com/vue_music/cover.png);
        background-repeat: no-repeat;
        filter: blur(10px);
        background-size: cover;
    }
    
    #header,
    #footer {
        width: calc(100% - 60px);
        height: 50px;
        padding: 0 30px;
        z-index: 888;
    }
    
    #header {
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        color: white;
        background: linear-gradient(90deg, rgb(8, 158, 218), rgb(8, 158, 218));
    }
    
    #header div:last-child {
        margin: auto 10px;
        width: 260px;
        border: 1px solid rgb(134, 130, 130);
        border-radius: 18px;
        overflow: hidden;
        background: url(https://gzh-1253246719.cos.ap-chengdu.myqcloud.com/vue_music/zoom.png);
        background-repeat: no-repeat;
        background-color: rgba(250, 250, 250, 0.8);
        background-position: 230px;
    }
    
    #header div input {
        width: 80%;
        padding: 10px;
        outline: none;
        border: none;
        background-color: transparent;
    }
    
    #header div h3 {
        margin: 0;
        line-height: 50px;
    }
    
    #main {
        width: calc(90% - 10%);
        margin: 0 auto;
        height: 100px;
        flex-grow: 1;
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        min-width: 1000px;
        z-index: 886;
        background-color: rgba(0, 0, 0, 0.9);
    }
    
    #main>div:nth-child(2) {
        flex-grow: 2;
        min-width: 350px;
        position: relative;
        text-align: center;
        overflow: hidden;
    }
    
    #main>div:nth-child(2).show img:first-child {
        transform: rotate(20deg);
    }
    
    #main div:nth-child(2).show img:nth-child(2),
    #main>div:nth-child(2).show img:last-child {
        animation-play-state: running;
    }
    
    #main>div:nth-child(2)::after {
        content: "";
        height: 70%;
        width: 10px;
        position: absolute;
        left: 0;
        top: 50%;
        background: url(https://gzh-1253246719.cos.ap-chengdu.myqcloud.com/vue_music/line.png) no-repeat;
        transform: translate(0, -50%);
    }
    
    #main>div:nth-child(2)::before {
        content: "";
        height: 70%;
        width: 10px;
        position: absolute;
        right: 0;
        top: 50%;
        background: url(https://gzh-1253246719.cos.ap-chengdu.myqcloud.com/vue_music/line.png) no-repeat;
        transform: translate(0, -50%);
    }
    
    #main>div:nth-child(2) img {
        position: absolute;
        left: 50%;
        left: 0;
        top: 0;
        right: 0;
        bottom: 0;
    }
    
    #main>div:nth-child(2) img:first-child {
        top: -15px;
        left: 50%;
        width: 114px;
        transition: all linear .5s;
        transform-origin: 10px 10px;
        z-index: 889;
    }
    
    #main div:first-child {
        background-color: rgba(0, 0, 0, .5);
        height: 100%;
        overflow-y: scroll;
    }
    
     ::-webkit-scrollbar {
        display: none;
    }
    
    #main div:first-child,
    #main div:last-child {
        padding: 10px;
        color: white;
        min-width: 290px;
        max-width: 310px;
        /* width: 290px; */
    }
    
    #main div:last-child h4 {
        display: inline-block;
    }
    
    #main div:first-child ul {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    
    #main div:first-child ul li {
        padding: 10px;
        margin: 10px;
    }
    
    #main div:first-child ul li b {
        display: inline-block;
        width: 190px;
        font-size: 14px;
        font-weight: inherit;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        vertical-align: bottom;
    }
    
    #main div:first-child ul li span,
    #main div:first-child ul li a {
        display: inline-block;
        width: 17px;
        height: 17px;
        line-height: 17px;
        vertical-align: bottom;
    }
    
    #main div:first-child ul li a {
        margin: 0 8px 0 0;
        background: url(https://gzh-1253246719.cos.ap-chengdu.myqcloud.com/vue_music/play.png) no-repeat;
        background-size: 100%;
        vertical-align: bottom;
    }
    
    #main div:first-child ul li span {
        margin: 2px 0 0 0;
        background: url(https://gzh-1253246719.cos.ap-chengdu.myqcloud.com/vue_music/table.png) -3px 83px;
        float: right;
        vertical-align: bottom;
    }
    
    #main div:first-child ul :nth-child(even) {
        background-color: rgba(26, 23, 23, 0.5);
    }
    
    #main div:first-child ul :nth-child(odd) {
        background-color: rgba(58, 53, 53, 0.5);
    }
    
    #main div:last-child {
        overflow-y: scroll;
    }
    
    #main div:last-child dl {
        max-width: 240px;
        margin: 0;
        margin-bottom: 25px;
        text-align: left;
        position: relative;
    }
    
    #main div:last-child dl dt {
        position: absolute;
        width: 36px;
        overflow: hidden;
    }
    
    #main div:last-child dl dt img {
        width: 100%;
        border-radius: 50%;
    }
    
    #main div:last-child dl dd {
        margin-left: 60px;
        margin-bottom: 5px;
    }
    
    #main div:last-child dl dd:nth-of-type(1) {
        font-size: 13px;
        font-weight: bold;
        color: rgba(238, 226, 226, 0.932);
    }
    
    #main div:last-child dl dd:nth-of-type(2) {
        font-size: 12px;
        color: rgba(253, 253, 253, 0.705);
        letter-spacing: 2px;
        line-height: 18px;
        margin: 3px 0 3px 60px;
    }
    
    #main div:nth-child(2) img:last-child {
        width: 191px;
        border-radius: 50%;
        left: 50%;
        top: 50%;
        margin: -96px 0 0 -94px;
        animation: speed 5s linear .5s infinite normal;
        animation-play-state: paused;
    }
    
    #main div:nth-child(2) img:nth-child(2) {
        width: 350px;
        margin: auto;
        animation: speed 5s linear .5s infinite normal;
        animation-play-state: paused;
    }
    
    .videos .video {
        width: 80%;
        height: 90%;
        position: fixed;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        z-index: 999;
        outline: none;
    }
    
    .videos .mask {
        position: fixed;
        width: 100%;
        height: 100%;
        top: 0;
        left: 0;
        background: rgba(0, 0, 0, 0.9);
        z-index: 997;
    }
    
    #footer {
        backdrop-filter: 20;
        background-color: rgb(238, 235, 235);
        overflow: hidden;
    }
    
    #footer div {
        width: 90%;
        margin: 0 auto;
    }
    
    #footer div :only-child {
        width: 100%;
        outline: none;
    }
    
    @keyframes speed {
        0% {
            transform: rotate(0deg)
        }
        100% {
            transform: rotate(360deg)
        }
    }